diff options
Diffstat (limited to 'sub/font_load_ft.c')
| -rw-r--r-- | sub/font_load_ft.c | 1169 |
1 files changed, 0 insertions, 1169 deletions
diff --git a/sub/font_load_ft.c b/sub/font_load_ft.c deleted file mode 100644 index 9eb0ab50e8..0000000000 --- a/sub/font_load_ft.c +++ /dev/null @@ -1,1169 +0,0 @@ -/* - * Renders antialiased fonts for mplayer using freetype library. - * Should work with TrueType, Type1 and any other font supported by libfreetype. - * - * Artur Zaprzala <zybi@fanthom.irc.pl> - * - * ported inside MPlayer by Jindrich Makovicka <makovick@gmail.com> - * - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <string.h> - -#ifdef CONFIG_ICONV -#include <iconv.h> -#endif - -#include <ft2build.h> -#include FT_FREETYPE_H -#include FT_GLYPH_H - -#ifdef CONFIG_FONTCONFIG -#include <fontconfig/fontconfig.h> -#endif - -#include "libavutil/common.h" -#include "mpbswap.h" -#include "font_load.h" -#include "mp_msg.h" -#include "mplayer.h" -#include "path.h" -#include "sub/sub.h" - -#include "osd_font.h" - -#if (FREETYPE_MAJOR > 2) || (FREETYPE_MAJOR == 2 && FREETYPE_MINOR >= 1) -#define HAVE_FREETYPE21 -#endif - -int vo_image_width = 0; -int vo_image_height = 0; -int force_load_font; - -int using_freetype = 0; -#ifdef CONFIG_FONTCONFIG -int font_fontconfig = 1; -#else -int font_fontconfig = -1; -#endif - -//// constants -static unsigned int const colors = 256; -static unsigned int const maxcolor = 255; -static unsigned const base = 256; -static unsigned const first_char = 33; -#define MAX_CHARSET_SIZE 60000 - -static FT_Library library; - -#define OSD_CHARSET_SIZE 15 - -static const FT_ULong osd_charset[OSD_CHARSET_SIZE] = -{ - 0xe001, 0xe002, 0xe003, 0xe004, 0xe005, 0xe006, 0xe007, 0xe008, - 0xe009, 0xe00a, 0xe00b, 0xe010, 0xe011, 0xe012, 0xe013 -}; - -static const FT_ULong osd_charcodes[OSD_CHARSET_SIZE] = -{ - 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08, - 0x09,0x0a,0x0b,0x10,0x11,0x12,0x13 -}; - -#define f266ToInt(x) (((x)+32)>>6) // round fractional fixed point number to integer - // coordinates are in 26.6 pixels (i.e. 1/64th of pixels) -#define f266CeilToInt(x) (((x)+63)>>6) // ceiling -#define f266FloorToInt(x) ((x)>>6) // floor -#define f1616ToInt(x) (((x)+0x8000)>>16) // 16.16 -#define floatTof266(x) ((int)((x)*(1<<6)+0.5)) - -#define ALIGN(x) (((x)+7)&~7) // 8 byte align - -#define WARNING(msg, args...) mp_msg(MSGT_OSD, MSGL_WARN, msg "\n", ## args) - -#define DEBUG 0 - -//static double ttime; - - -static void paste_bitmap(unsigned char *bbuffer, FT_Bitmap *bitmap, int x, int y, int width, int height, int bwidth) { - int drow = x+y*width; - int srow = 0; - int sp, dp, w, h; - if (bitmap->pixel_mode==ft_pixel_mode_mono) - for (h = bitmap->rows; h>0 && height > 0; --h, height--, drow+=width, srow+=bitmap->pitch) - for (w = bwidth, sp=dp=0; w>0; --w, ++dp, ++sp) - bbuffer[drow+dp] = (bitmap->buffer[srow+sp/8] & (0x80>>(sp%8))) ? 255:0; - else - for (h = bitmap->rows; h>0 && height > 0; --h, height--, drow+=width, srow+=bitmap->pitch) - for (w = bwidth, sp=dp=0; w>0; --w, ++dp, ++sp) - bbuffer[drow+dp] = bitmap->buffer[srow+sp]; -} - - -static int check_font(font_desc_t *desc, float ppem, int padding, int pic_idx, - int charset_size, const FT_ULong *charset, - const FT_ULong *charcodes, int unicode) -{ - FT_Error error; - FT_Face face = desc->faces[pic_idx]; - int const load_flags = FT_LOAD_DEFAULT; - int ymin = INT_MAX, ymax = INT_MIN; - int space_advance = 20; - int width, height; - unsigned char *bbuffer; - int i, uni_charmap = 1; - - error = FT_Select_Charmap(face, ft_encoding_unicode); -// fprintf(stderr, "select unicode charmap: %d\n", error); - - if (face->charmap==NULL || face->charmap->encoding!=ft_encoding_unicode) { - WARNING("Unicode charmap not available for this font. Very bad!"); - uni_charmap = 0; - error = FT_Set_Charmap(face, face->charmaps[0]); - if (error) WARNING("No charmaps! Strange."); - } - - /* set size */ - if (FT_IS_SCALABLE(face)) { - error = FT_Set_Char_Size(face, 0, floatTof266(ppem), 0, 0); - if (error) WARNING("FT_Set_Char_Size failed."); - } else { - int j = 0; - int jppem = face->available_sizes[0].height; - /* find closest size */ - for (i = 0; i<face->num_fixed_sizes; ++i) { - if (fabs(face->available_sizes[i].height - ppem) < abs(face->available_sizes[i].height - jppem)) { - j = i; - jppem = face->available_sizes[i].height; - } - } - WARNING("Selected font is not scalable. Using ppem=%i.", face->available_sizes[j].height); - error = FT_Set_Pixel_Sizes(face, face->available_sizes[j].width, face->available_sizes[j].height); - if (error) WARNING("FT_Set_Pixel_Sizes failed."); - } - - if (FT_IS_FIXED_WIDTH(face)) - WARNING("Selected font is fixed-width."); - - /* compute space advance */ - error = FT_Load_Char(face, ' ', load_flags); - if (error) WARNING("spacewidth set to default."); - else space_advance = f266ToInt(face->glyph->advance.x); - - if (!desc->spacewidth) desc->spacewidth = 2*padding + space_advance; - if (!desc->charspace) desc->charspace = -2*padding; - if (!desc->height) desc->height = f266ToInt(face->size->metrics.height); - - - for (i= 0; i<charset_size; ++i) { - FT_ULong character, code; - FT_UInt glyph_index; - - character = charset[i]; - code = charcodes[i]; - desc->font[unicode?character:code] = pic_idx; - // get glyph index - if (character==0) - glyph_index = 0; - else { - glyph_index = FT_Get_Char_Index(face, uni_charmap ? character:code); - if (glyph_index==0) { - WARNING("Glyph for char 0x%02lx|U+%04lX|%c not found.", code, character, - code<' '||code>255 ? '.':(char)code); - desc->font[unicode?character:code] = -1; - continue; - } - } - desc->glyph_index[unicode?character:code] = glyph_index; - } -// fprintf(stderr, "font height: %f\n", (double)(face->bbox.yMax-face->bbox.yMin)/(double)face->units_per_EM*ppem); -// fprintf(stderr, "font width: %f\n", (double)(face->bbox.xMax-face->bbox.xMin)/(double)face->units_per_EM*ppem); - - ymax = (double)(face->bbox.yMax)/(double)face->units_per_EM*ppem+1; - ymin = (double)(face->bbox.yMin)/(double)face->units_per_EM*ppem-1; - - width = ppem*(face->bbox.xMax-face->bbox.xMin)/face->units_per_EM+3+2*padding; - if (desc->max_width < width) desc->max_width = width; - width = ALIGN(width); - desc->pic_b[pic_idx]->charwidth = width; - - if (width <= 0) { - mp_msg(MSGT_OSD, MSGL_ERR, "Wrong bounding box, width <= 0 !\n"); - return -1; - } - - if (ymax<=ymin) { - mp_msg(MSGT_OSD, MSGL_ERR, "Something went wrong. Use the source!\n"); - return -1; - } - - height = ymax - ymin + 2*padding; - if (height <= 0) { - mp_msg(MSGT_OSD, MSGL_ERR, "Wrong bounding box, height <= 0 !\n"); - return -1; - } - - if (desc->max_height < height) desc->max_height = height; - desc->pic_b[pic_idx]->charheight = height; - -// fprintf(stderr, "font height2: %d\n", height); - desc->pic_b[pic_idx]->baseline = ymax + padding; - desc->pic_b[pic_idx]->padding = padding; - desc->pic_b[pic_idx]->current_alloc = 0; - desc->pic_b[pic_idx]->current_count = 0; - - bbuffer = NULL; - - desc->pic_b[pic_idx]->w = width; - desc->pic_b[pic_idx]->h = height; - desc->pic_b[pic_idx]->c = colors; - desc->pic_b[pic_idx]->bmp = bbuffer; - desc->pic_b[pic_idx]->pen = 0; - return 0; -} - -// general outline -static void outline( - unsigned char *s, - unsigned char *t, - int width, - int height, - int stride, - unsigned char *m, - int r, - int mwidth, - int msize) { - - int x, y; - - for (y = 0; y<height; y++) { - for (x = 0; x<width; x++) { - const int src= s[x]; - if(src==0) continue; - { - const int x1=(x<r) ? r-x : 0; - const int y1=(y<r) ? r-y : 0; - const int x2=(x+r>=width ) ? r+width -x : 2*r+1; - const int y2=(y+r>=height) ? r+height-y : 2*r+1; - register unsigned char *dstp= t + (y1+y-r)* stride + x-r; - //register int *mp = m + y1 *mwidth; - register unsigned char *mp= m + msize*src + y1*mwidth; - int my; - - for(my= y1; my<y2; my++){ - register int mx; - for(mx= x1; mx<x2; mx++){ - if(dstp[mx] < mp[mx]) dstp[mx]= mp[mx]; - } - dstp+=stride; - mp+=mwidth; - } - } - } - s+= stride; - } -} - - -// 1 pixel outline -static void outline1( - unsigned char *s, - unsigned char *t, - int width, - int height, - int stride) { - - int x, y; - int skip = stride-width; - - for (x = 0; x<width; ++x, ++s, ++t) *t = *s; - s += skip; - t += skip; - for (y = 1; y<height-1; ++y) { - *t++ = *s++; - for (x = 1; x<width-1; ++x, ++s, ++t) { - unsigned v = ( - s[-1-stride]+ - s[-1+stride]+ - s[+1-stride]+ - s[+1+stride] - )/2 + ( - s[-1]+ - s[+1]+ - s[-stride]+ - s[+stride]+ - s[0] - ); - *t = v>maxcolor ? maxcolor : v; - } - *t++ = *s++; - s += skip; - t += skip; - } - for (x = 0; x<width; ++x, ++s, ++t) *t = *s; -} - -// "0 pixel outline" -static void outline0( - unsigned char *s, - unsigned char *t, - int width, - int height, - int stride) { - int y; - for (y = 0; y<height; ++y) { - memcpy(t, s, width); - s += stride; - t += stride; - } -} - -// gaussian blur -void blur( - unsigned char *buffer, - unsigned short *tmp2, - int width, - int height, - int stride, - int *m2, - int r, - int mwidth) { - - int x, y; - - unsigned char *s = buffer; - unsigned short *t = tmp2+1; - for(y=0; y<height; y++){ - memset(t-1, 0, (width+1)*sizeof(short)); - - for(x=0; x<r; x++){ - const int src= s[x]; - if(src){ - register unsigned short *dstp= t + x-r; - int mx; - unsigned *m3= m2 + src*mwidth; - for(mx=r-x; mx<mwidth; mx++){ - dstp[mx]+= m3[mx]; - } - } - } - - for(; x<width-r; x++){ - const int src= s[x]; - if(src){ - register unsigned short *dstp= t + x-r; - int mx; - unsigned *m3= m2 + src*mwidth; - for(mx=0; mx<mwidth; mx++){ - dstp[mx]+= m3[mx]; - } - } - } - - for(; x<width; x++){ - const int src= s[x]; - if(src){ - register unsigned short *dstp= t + x-r; - int mx; - const int x2= r+width -x; - unsigned *m3= m2 + src*mwidth; - for(mx=0; mx<x2; mx++){ - dstp[mx]+= m3[mx]; - } - } - } - - s+= stride; - t+= width + 1; - } - - t = tmp2; - for(x=0; x<width; x++){ - for(y=0; y<r; y++){ - unsigned short *srcp= t + y*(width+1) + 1; - int src= *srcp; - if(src){ - register unsigned short *dstp= srcp - 1 + width+1; - const int src2= (src + 128)>>8; - unsigned *m3= m2 + src2*mwidth; - - int mx; - *srcp= 128; - for(mx=r-1; mx<mwidth; mx++){ - *dstp += m3[mx]; - dstp+= width+1; - } - } - } - for(; y<height-r; y++){ - unsigned short *srcp= t + y*(width+1) + 1; - int src= *srcp; - if(src){ - register unsigned short *dstp= srcp - 1 - r*(width+1); - const int src2= (src + 128)>>8; - unsigned *m3= m2 + src2*mwidth; - - int mx; - *srcp= 128; - for(mx=0; mx<mwidth; mx++){ - *dstp += m3[mx]; - dstp+= width+1; - } - } - } - for(; y<height; y++){ - unsigned short *srcp= t + y*(width+1) + 1; - int src= *srcp; - if(src){ - const int y2=r+height-y; - register unsigned short *dstp= srcp - 1 - r*(width+1); - const int src2= (src + 128)>>8; - unsigned *m3= m2 + src2*mwidth; - - int mx; - *srcp= 128; - for(mx=0; mx<y2; mx++){ - *dstp += m3[mx]; - dstp+= width+1; - } - } - } - t++; - } - - t = tmp2; - s = buffer; - for(y=0; y<height; y++){ - for(x=0; x<width; x++){ - s[x]= t[x]>>8; - } - s+= stride; - t+= width + 1; - } -} - -static void resample_alpha(unsigned char *abuf, unsigned char *bbuf, int width, int height, int stride, float factor) -{ - int f=factor*256.0f; - int i,j; - for (i = 0; i < height; i++) { - unsigned char *a = abuf+i*stride; - unsigned char *b = bbuf+i*stride; - for(j=0;j<width;j++,a++,b++){ - int x=*a; // alpha - int y=*b; // bitmap - x=255-((x*f)>>8); // scale - if (x+y>255) x=255-y; // to avoid overflows - if (x<1) x=1; else if (x>=252) x=0; - *a=x; - } - } -} - -#define ALLOC_INCR 32 -void render_one_glyph(font_desc_t *desc, int c) -{ - FT_GlyphSlot slot; - FT_UInt glyph_index; - FT_BitmapGlyph glyph; - int width, height, stride, maxw, off; - unsigned char *abuffer, *bbuffer; - - int const load_flags = FT_LOAD_DEFAULT; - int pen_xa; - int font = desc->font[c]; - int error; - -// fprintf(stderr, "render_one_glyph %d\n", c); - - if (!desc->dynamic) return; - if (desc->width[c] != -1) return; - if (desc->font[c] == -1) return; - - glyph_index = desc->glyph_index[c]; - - // load glyph - error = FT_Load_Glyph(desc->faces[font], glyph_index, load_flags); - if (error) { - WARNING("FT_Load_Glyph 0x%02x (char 0x%04x) failed.", glyph_index, c); - desc->font[c] = -1; - return; - } - slot = desc->faces[font]->glyph; - - // render glyph - if (slot->format != ft_glyph_format_bitmap) { - error = FT_Render_Glyph(slot, ft_render_mode_normal); - if (error) { - WARNING("FT_Render_Glyph 0x%04x (char 0x%04x) failed.", glyph_index, c); - desc->font[c] = -1; - return; - } - } - - // extract glyph image - error = FT_Get_Glyph(slot, (FT_Glyph*)&glyph); - if (error) { - WARNING("FT_Get_Glyph 0x%04x (char 0x%04x) failed.", glyph_index, c); - desc->font[c] = -1; - return; - } - -// fprintf(stderr, "glyph generated\n"); - - maxw = desc->pic_b[font]->charwidth; - - if (glyph->bitmap.width > maxw) { - fprintf(stderr, "glyph too wide!\n"); - } - - // allocate new memory, if needed -// fprintf(stderr, "\n%d %d %d\n", desc->pic_b[font]->charwidth, desc->pic_b[font]->charheight, desc->pic_b[font]->current_alloc); - if (desc->pic_b[font]->current_count >= desc->pic_b[font]->current_alloc) { - int newsize = desc->pic_b[font]->charwidth*desc->pic_b[font]->charheight*(desc->pic_b[font]->current_alloc+ALLOC_INCR); - int increment = desc->pic_b[font]->charwidth*desc->pic_b[font]->charheight*ALLOC_INCR; - desc->pic_b[font]->current_alloc += ALLOC_INCR; - -// fprintf(stderr, "\nns = %d inc = %d\n", newsize, increment); - - desc->pic_b[font]->bmp = realloc(desc->pic_b[font]->bmp, newsize); - desc->pic_a[font]->bmp = realloc(desc->pic_a[font]->bmp, newsize); - - off = desc->pic_b[font]->current_count*desc->pic_b[font]->charwidth*desc->pic_b[font]->charheight; - memset(desc->pic_b[font]->bmp+off, 0, increment); - memset(desc->pic_a[font]->bmp+off, 0, increment); - } - - abuffer = desc->pic_a[font]->bmp; - bbuffer = desc->pic_b[font]->bmp; - - off = desc->pic_b[font]->current_count*desc->pic_b[font]->charwidth*desc->pic_b[font]->charheight; - - paste_bitmap(bbuffer+off, - &glyph->bitmap, - desc->pic_b[font]->padding + glyph->left, - desc->pic_b[font]->baseline - glyph->top, - desc->pic_b[font]->charwidth, desc->pic_b[font]->charheight, - glyph->bitmap.width <= maxw ? glyph->bitmap.width : maxw); - -// fprintf(stderr, "glyph pasted\n"); - FT_Done_Glyph((FT_Glyph)glyph); - - /* advance pen */ - pen_xa = f266ToInt(slot->advance.x) + 2*desc->pic_b[font]->padding; - if (pen_xa > maxw) pen_xa = maxw; - - desc->start[c] = off; - width = desc->width[c] = pen_xa; - height = desc->pic_b[font]->charheight; - stride = desc->pic_b[font]->w; - - if (desc->tables.o_r == 0) { - outline0(bbuffer+off, abuffer+off, width, height, stride); - } else if (desc->tables.o_r == 1) { - outline1(bbuffer+off, abuffer+off, width, height, stride); - } else { - outline(bbuffer+off, abuffer+off, width, height, stride, - desc->tables.omt, desc->tables.o_r, desc->tables.o_w, - desc->tables.o_size); - } -// fprintf(stderr, "fg: outline t = %f\n", GetTimer()-t); - - if (desc->tables.g_r) { - blur(abuffer+off, desc->tables.tmp, width, height, stride, - desc->tables.gt2, desc->tables.g_r, - desc->tables.g_w); -// fprintf(stderr, "fg: blur t = %f\n", GetTimer()-t); - } - - resample_alpha(abuffer+off, bbuffer+off, width, height, stride, font_factor); - - desc->pic_b[font]->current_count++; -} - - -static int prepare_font(font_desc_t *desc, FT_Face face, float ppem, - int pic_idx, int charset_size, - const FT_ULong *charset, const FT_ULong *charcodes, - int unicode, double thickness, double radius) -{ - int i, err; - int padding = ceil(radius) + ceil(thickness); - - desc->faces[pic_idx] = face; - - desc->pic_a[pic_idx] = malloc(sizeof(raw_file)); - if (!desc->pic_a[pic_idx]) return -1; - desc->pic_b[pic_idx] = malloc(sizeof(raw_file)); - if (!desc->pic_b[pic_idx]) return -1; - - desc->pic_a[pic_idx]->bmp = NULL; - desc->pic_a[pic_idx]->pal = NULL; - desc->pic_b[pic_idx]->bmp = NULL; - desc->pic_b[pic_idx]->pal = NULL; - - desc->pic_a[pic_idx]->pal = malloc(sizeof(unsigned char)*256*3); - if (!desc->pic_a[pic_idx]->pal) return -1; - for (i = 0; i<768; ++i) desc->pic_a[pic_idx]->pal[i] = i/3; - - desc->pic_b[pic_idx]->pal = malloc(sizeof(unsigned char)*256*3); - if (!desc->pic_b[pic_idx]->pal) return -1; - for (i = 0; i<768; ++i) desc->pic_b[pic_idx]->pal[i] = i/3; - -// ttime = GetTimer(); - err = check_font(desc, ppem, padding, pic_idx, charset_size, charset, charcodes, unicode); -// ttime=GetTimer()-ttime; -// printf("render: %7f us\n",ttime); - if (err) return -1; -// fprintf(stderr, "fg: render t = %f\n", GetTimer()-t); - - desc->pic_a[pic_idx]->w = desc->pic_b[pic_idx]->w; - desc->pic_a[pic_idx]->h = desc->pic_b[pic_idx]->h; - desc->pic_a[pic_idx]->c = colors; - - desc->pic_a[pic_idx]->bmp = NULL; - -// fprintf(stderr, "fg: w = %d, h = %d\n", desc->pic_a[pic_idx]->w, desc->pic_a[pic_idx]->h); - return 0; - -} - -static int generate_tables(font_desc_t *desc, double thickness, double radius) -{ - int width = desc->max_height; - int height = desc->max_width; - - double A = log(1.0/base)/(radius*radius*2); - int mx, my, i; - double volume_diff, volume_factor = 0; - unsigned char *omtp; - - desc->tables.g_r = ceil(radius); - desc->tables.o_r = ceil(thickness); - desc->tables.g_w = 2*desc->tables.g_r+1; - desc->tables.o_w = 2*desc->tables.o_r+1; - desc->tables.o_size = desc->tables.o_w * desc->tables.o_w; - -// fprintf(stderr, "o_r = %d\n", desc->tables.o_r); - - if (desc->tables.g_r) { - desc->tables.g = malloc(desc->tables.g_w * sizeof(unsigned)); - desc->tables.gt2 = malloc(256 * desc->tables.g_w * sizeof(unsigned)); - if (desc->tables.g==NULL || desc->tables.gt2==NULL) { - return -1; - } - } - desc->tables.om = malloc(desc->tables.o_w*desc->tables.o_w * sizeof(unsigned)); - desc->tables.omt = malloc(desc->tables.o_size*256); - - omtp = desc->tables.omt; - desc->tables.tmp = malloc((width+1)*height*sizeof(short)); - - if (desc->tables.om==NULL || desc->tables.omt==NULL || desc->tables.tmp==NULL) { - return -1; - }; - - if (desc->tables.g_r) { - // gaussian curve with volume = 256 - for (volume_diff=10000000; volume_diff>0.0000001; volume_diff*=0.5){ - volume_factor+= volume_diff; - desc->tables.volume=0; - for (i = 0; i<desc->tables.g_w; ++i) { - desc->tables.g[i] = (unsigned)(exp(A * (i-desc->tables.g_r)*(i-desc->tables.g_r)) * volume_factor + .5); - desc->tables.volume+= desc->tables.g[i]; - } - if(desc->tables.volume>256) volume_factor-= volume_diff; - } - desc->tables.volume=0; - for (i = 0; i<desc->tables.g_w; ++i) { - desc->tables.g[i] = (unsigned)(exp(A * (i-desc->tables.g_r)*(i-desc->tables.g_r)) * volume_factor + .5); - desc->tables.volume+= desc->tables.g[i]; - } - - // gauss table: - for(mx=0;mx<desc->tables.g_w;mx++){ - for(i=0;i<256;i++){ - desc->tables.gt2[mx+i*desc->tables.g_w] = i*desc->tables.g[mx]; - } - } - } - - /* outline matrix */ - for (my = 0; my<desc->tables.o_w; ++my) { - for (mx = 0; mx<desc->tables.o_w; ++mx) { - // antialiased circle would be perfect here, but this one is good enough - double d = thickness + 1 - sqrt((mx-desc->tables.o_r)*(mx-desc->tables.o_r)+(my-desc->tables.o_r)*(my-desc->tables.o_r)); - desc->tables.om[mx+my*desc->tables.o_w] = d>=1 ? base : d<=0 ? 0 : (d*base + .5); - } - } - - // outline table: - for(i=0;i<256;i++){ - for(mx=0;mx<desc->tables.o_size;mx++) *(omtp++) = (i*desc->tables.om[mx] + (base/2))/base; - } - - return 0; -} - -#ifdef CONFIG_ICONV -/* decode from 'encoding' to unicode */ -static FT_ULong decode_char(iconv_t *cd, char c) { - FT_ULong o; - char *inbuf = &c; - char *outbuf = (char*)&o; - size_t inbytesleft = 1; - size_t outbytesleft = sizeof(FT_ULong); - - iconv(*cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft); - - /* convert unicode BigEndian -> MachineEndian */ - o = be2me_32(o); - - // if (count==-1) o = 0; // not OK, at least my iconv() returns E2BIG for all - if (outbytesleft!=0) o = 0; - - /* we don't want control characters */ - if (o>=0x7f && o<0xa0) o = 0; - return o; -} - -static int prepare_charset(char *charmap, char *encoding, FT_ULong *charset, FT_ULong *charcodes) { - FT_ULong i; - int count = 0; - int charset_size; - iconv_t cd; - - // check if ucs-4 is available - cd = iconv_open(charmap, charmap); - if (cd==(iconv_t)-1) { - mp_msg(MSGT_OSD, MSGL_ERR, "iconv doesn't know %s encoding. Use the source!\n", charmap); - return -1; - } - - iconv_close(cd); - - cd = iconv_open(charmap, encoding); - if (cd==(iconv_t)-1) { - mp_msg(MSGT_OSD, MSGL_ERR, "Unsupported encoding `%s', use iconv --list to list character sets known on your system.\n", encoding); - return -1; - } - - charset_size = 256 - first_char; - for (i = 0; i<charset_size; ++i) { - charcodes[count] = i+first_char; - charset[count] = decode_char(&cd, i+first_char); - if (charset[count]!=0) ++count; - } - charcodes[count] = charset[count] = 0; ++count; - charset_size = count; - - iconv_close(cd); - if (charset_size==0) { - mp_msg(MSGT_OSD, MSGL_ERR, "No characters to render!\n"); - return -1; - } - - return charset_size; -} - -static int prepare_charset_unicode(FT_Face face, FT_ULong *charset, FT_ULong *charcodes) { -#ifdef HAVE_FREETYPE21 - FT_ULong charcode; -#else - int j; -#endif - FT_UInt gindex; - int i; - - if (face->charmap==NULL || face->charmap->encoding!=ft_encoding_unicode) { - WARNING("Unicode charmap not available for this font. Very bad!"); - return -1; - } -#ifdef HAVE_FREETYPE21 - i = 0; - charcode = FT_Get_First_Char( face, &gindex ); - while (gindex != 0) { - if (charcode < 65536 && charcode >= 33) { // sanity check - charset[i] = charcode; - charcodes[i] = 0; - i++; - } - charcode = FT_Get_Next_Char( face, charcode, &gindex ); - } -#else - // for FT < 2.1 we have to use brute force enumeration - i = 0; - for (j = 33; j < 65536; j++) { - gindex = FT_Get_Char_Index(face, j); - if (gindex > 0) { - charset[i] = j; - charcodes[i] = 0; - i++; - } - } -#endif - mp_msg(MSGT_OSD, MSGL_V, "Unicode font: %d glyphs.\n", i); - - return i; -} -#endif - -static font_desc_t* init_font_desc(void) -{ - font_desc_t *desc; - - desc = calloc(1, sizeof(*desc)); - if(!desc) return NULL; - - desc->dynamic = 1; - - /* setup sane defaults */ - desc->freetype = 1; - - memset(desc->start, 0xff, sizeof(desc->start)); - memset(desc->width, 0xff, sizeof(desc->width)); - memset(desc->font, 0xff, sizeof(desc->font)); - - return desc; -} - -void free_font_desc(font_desc_t *desc) -{ - int i; - - if (!desc) return; - -// if (!desc->dynamic) return; // some vo_aa crap, better leaking than crashing - - free(desc->name); - free(desc->fpath); - - for(i = 0; i < 16; i++) { - if (desc->pic_a[i]) { - free(desc->pic_a[i]->bmp); - free(desc->pic_a[i]->pal); - free(desc->pic_a[i]); - } - if (desc->pic_b[i]) { - free(desc->pic_b[i]->bmp); - free(desc->pic_b[i]->pal); - free(desc->pic_b[i]); - } - } - - free(desc->tables.g); - free(desc->tables.gt2); - free(desc->tables.om); - free(desc->tables.omt); - free(desc->tables.tmp); - - for(i = 0; i < desc->face_cnt; i++) { - FT_Done_Face(desc->faces[i]); - } - - free(desc); -} - -static int load_sub_face(const char *name, int face_index, FT_Face *face) -{ - int err = -1; - - if (name) err = FT_New_Face(library, name, face_index, face); - - if (err) { - char *font_file = get_path("subfont.ttf"); - err = FT_New_Face(library, font_file, 0, face); - free(font_file); - if (err) { - err = FT_New_Face(library, MPLAYER_DATADIR "/subfont.ttf", 0, face); - if (err) { - mp_tmsg(MSGT_OSD, MSGL_ERR, "New_Face failed. Maybe the font path is wrong.\nPlease supply the text font file (~/.mplayer/subfont.ttf).\n"); - return -1; - } - } - } - return err; -} - -static int load_osd_face(FT_Face *face) -{ - if ( FT_New_Memory_Face(library, osd_font_pfb, sizeof(osd_font_pfb), 0, face) ) { - mp_tmsg(MSGT_OSD, MSGL_ERR, "New_Memory_Face failed..\n"); - return -1; - } - return 0; -} - -int kerning(font_desc_t *desc, int prevc, int c) -{ - FT_Vector kern; - - if (!desc->dynamic) return 0; - if (prevc < 0 || c < 0) return 0; - if (desc->font[prevc] != desc->font[c]) return 0; - if (desc->font[prevc] == -1 || desc->font[c] == -1) return 0; - FT_Get_Kerning(desc->faces[desc->font[c]], - desc->glyph_index[prevc], desc->glyph_index[c], - ft_kerning_default, &kern); - -// fprintf(stderr, "kern: %c %c %d\n", prevc, c, f266ToInt(kern.x)); - - return f266ToInt(kern.x); -} - -font_desc_t* read_font_desc_ft(const char *fname, int face_index, int movie_width, int movie_height, float font_scale_factor) -{ - font_desc_t *desc = NULL; - - FT_Face face; - - FT_ULong *my_charset = malloc(MAX_CHARSET_SIZE * sizeof(FT_ULong)); /* characters we want to render; Unicode */ - FT_ULong *my_charcodes = malloc(MAX_CHARSET_SIZE * sizeof(FT_ULong)); /* character codes in 'encoding' */ - - char *charmap = "ucs-4"; - int err; - int charset_size; - int i, j; - int unicode; - - float movie_size; - - float subtitle_font_ppem; - float osd_font_ppem; - - if (my_charset == NULL || my_charcodes == NULL) { - mp_msg(MSGT_OSD, MSGL_ERR, "subtitle font: malloc failed.\n"); - goto err_out; - } - - switch (subtitle_autoscale) { - case 1: - movie_size = movie_height; - break; - case 2: - movie_size = movie_width; - break; - case 3: - movie_size = sqrt(movie_height*movie_height+movie_width*movie_width); - break; - default: - movie_size = 100; - break; - } - - subtitle_font_ppem = movie_size*font_scale_factor/100.0; - osd_font_ppem = movie_size*(font_scale_factor+1)/100.0; - - if (subtitle_font_ppem < 5) subtitle_font_ppem = 5; - if (osd_font_ppem < 5) osd_font_ppem = 5; - - if (subtitle_font_ppem > 128) subtitle_font_ppem = 128; - if (osd_font_ppem > 128) osd_font_ppem = 128; - - if ((subtitle_font_encoding == NULL) - || (strcasecmp(subtitle_font_encoding, "unicode") == 0)) { - unicode = 1; - } else { - unicode = 0; - } - - desc = init_font_desc(); - if(!desc) goto err_out; - -// t=GetTimer(); - - /* generate the subtitle font */ - err = load_sub_face(fname, face_index, &face); - if (err) { - mp_tmsg(MSGT_OSD, MSGL_WARN, "subtitle font: load_sub_face failed.\n"); - goto gen_osd; - } - desc->face_cnt++; - -#ifdef CONFIG_ICONV - if (unicode) { - charset_size = prepare_charset_unicode(face, my_charset, my_charcodes); - } else { - if (subtitle_font_encoding) { - charset_size = prepare_charset(charmap, subtitle_font_encoding, my_charset, my_charcodes); - } else { - charset_size = prepare_charset(charmap, "iso-8859-1", my_charset, my_charcodes); - } - } - - if (charset_size < 0) { - mp_tmsg(MSGT_OSD, MSGL_ERR, "subtitle font: prepare_charset failed.\n"); - goto err_out; - } -#else - goto err_out; -#endif - -// fprintf(stderr, "fg: prepare t = %f\n", GetTimer()-t); - - err = prepare_font(desc, face, subtitle_font_ppem, desc->face_cnt-1, - charset_size, my_charset, my_charcodes, unicode, - subtitle_font_thickness, subtitle_font_radius); - - if (err) { - mp_tmsg(MSGT_OSD, MSGL_ERR, "Cannot prepare subtitle font.\n"); - goto err_out; - } - -gen_osd: - - /* generate the OSD font */ - err = load_osd_face(&face); - if (err) { - goto err_out; - } - desc->face_cnt++; - - err = prepare_font(desc, face, osd_font_ppem, desc->face_cnt-1, - OSD_CHARSET_SIZE, osd_charset, osd_charcodes, 0, - subtitle_font_thickness, subtitle_font_radius); - - if (err) { - mp_tmsg(MSGT_OSD, MSGL_ERR, "Cannot prepare OSD font.\n"); - goto err_out; - } - - err = generate_tables(desc, subtitle_font_thickness, subtitle_font_radius); - - if (err) { - mp_tmsg(MSGT_OSD, MSGL_ERR, "Cannot generate tables.\n"); - goto err_out; - } - - // final cleanup - desc->font[' ']=-1; - desc->width[' ']=desc->spacewidth; - - j = '_'; - if (desc->font[j] < 0) j = '?'; - if (desc->font[j] < 0) j = ' '; - render_one_glyph(desc, j); - for(i = 0; i < 65536; i++) { - if (desc->font[i] < 0 && i != ' ') { - desc->start[i] = desc->start[j]; - desc->width[i] = desc->width[j]; - desc->font[i] = desc->font[j]; - } - } - free(my_charset); - free(my_charcodes); - return desc; - -err_out: - if (desc) - free_font_desc(desc); - free(my_charset); - free(my_charcodes); - return NULL; -} - -int init_freetype(void) -{ - int err; - - /* initialize freetype */ - err = FT_Init_FreeType(&library); - if (err) { - mp_msg(MSGT_OSD, MSGL_ERR, "Init_FreeType failed.\n"); - return -1; - } - mp_msg(MSGT_OSD, MSGL_V, "init_freetype\n"); - using_freetype = 1; - return 0; -} - -int done_freetype(void) -{ - int err; - - if (!using_freetype) - return 0; - - err = FT_Done_FreeType(library); - if (err) { - mp_tmsg(MSGT_OSD, MSGL_ERR, "FT_Done_FreeType failed.\n"); - return -1; - } - - return 0; -} - -void load_font_ft(int width, int height, font_desc_t** fontp, const char *font_name, float font_scale_factor) -{ -#ifdef CONFIG_FONTCONFIG - FcPattern *fc_pattern; - FcPattern *fc_pattern2; - FcChar8 *s; - int face_index; - FcBool scalable; - FcResult result; -#endif - font_desc_t *vo_font = *fontp; - vo_image_width = width; - vo_image_height = height; - - // protection against vo_aa font hacks - if (vo_font && !vo_font->dynamic) return; - - if (vo_font) free_font_desc(vo_font); - -#ifdef CONFIG_FONTCONFIG - if (font_fontconfig > 0) - { - FcInit(); - fc_pattern = FcNameParse(font_name ? font_name : "sans-serif"); - FcConfigSubst |